3 Why Software-defined Storage? The right software must be able to do a few things 1 Enable different storage devices to communicate with one another 2 Separate advances in software from advances in hardware 3 Pool all storage capacity and provide centralized management Make hardware maintenance, data migrations, and hardware 4 refreshes easy Copyright 2014 DataCore Software Corp. All Rights Reserved. 3

7 Disk Pool Auto Tiering Preemptive Tier Space Management A customizable percentage of capacity is kept available for new allocations and promotions Percentage applies to any tier within a pool except the lowest SAUs that heat up may get promoted faster if there is free space available in the tier above New allocations go to the highest tier according to the Storage Profile first SAUs allocated in the reserved space may prompt migrations to keep space clear New allocations Tier1 Tier2 Tier3 Copyright 2014 DataCore Software Corp. All Rights Reserved. 7

8 Disk Pool Heatmap display Display change; SAUs are now ordered by hotness in descending order from left to right IO per second and IO latency counters Copyright 2014 DataCore Software Corp. All Rights Reserved. 8

10 Disk Pool Targeted Recovery Eliminates recovery of entire pool in case a pool disk fails A new wizard-driven Purge action figures out which Virtual Disks are affected, what data (SAUs) they are missing, and how to proceed Mirrored VDisks get restored by recovering the missing SAUs from the good side Single and Dual VDisks are brought back online but with unallocated holes in them (no mirror to recover from) Initiating a pool recovery is a manual action due to its potentially destructive nature to single/dual VDisks a well as Snapshots and Rollbacks. Copyright 2014 DataCore Software Corp. All Rights Reserved. 10

13 IO Poller - Leverage multi-core CPUs Dynamic scaling of Poller instances Always at least 2 Poller threads (unless <=4 CPUs) System spins up more Pollers if front-end workloads calls for more horsepower and one or more CPUs are available Max number of Pollers is 10 or (NumCpus-1) Additional performance counters in SANsymphony-V itself: ProductivePolls UnproductivePolls TotalThreads Copyright 2014 DataCore Software Corp. All Rights Reserved. 13

14 Large Groups Up to 32 nodes per Server Group Combine traditional DataCore Servers and Virtual SAN nodes within same group Copyright 2014 DataCore Software Corp. All Rights Reserved. 14

15 Virtual SAN A VSAN node cannot serve vdisks to external hosts Only to itself or to hypervisor host if VSAN node is vl servers and VSAN (HS-Type) nodes can co-exist within the same server group up to a combined total of 32 nodes. VSAN nodes have a per-node capacity limit Packages from 8 TB up to 1 PB per node Available VSAN licensed features/options Same as vl except SMPA Copyright 2014 DataCore Software Corp. All Rights Reserved. 15

18 Virtualize External Storage Hardware FUNDAMENTALS OF DATACORE STORAGE VIRTUALIZATION Runs on standard x86 servers One set of common storage services for all storage devices All storage capacity in a single pool eliminating wasted capacity Unlike storage systems communicate seamlessly reducing complexity and preventing downtime Replicates data leaving no single point of failure Seamless scalability with no reason to commit to a single hardware manufacturer Copyright 2014 DataCore Software Corp. All Rights Reserved. 18

20 Transform DAS, Flash & SSDs into a Virtual SAN Runs as a virtual machine on any application server Pools local storage resources for all to share Copyright 2014 DataCore Software Corp. All Rights Reserved. 20

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